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https://issues.apache.org/jira/browse/LOG4J2-1195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mikael Ståldal reassigned LOG4J2-1195:
--------------------------------------
Assignee: Mikael Ståldal (was: Mikael Ståldal)
> KafkaAppender doesn't work with SerializedLayout
> ------------------------------------------------
>
> Key: LOG4J2-1195
> URL: https://issues.apache.org/jira/browse/LOG4J2-1195
> Project: Log4j 2
> Issue Type: Bug
> Components: Appenders
> Affects Versions: 2.4, 2.4.1
> Reporter: Melvin Du
> Assignee: Mikael Ståldal
> Fix For: 2.5
>
>
> the KafkaAppender can't deserialize objects when the SerializedLayout is used:
> java.io.StreamCorruptedException: invalid stream header: 7372003E
> at
> java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:806)
> at java.io.ObjectInputStream.<init>(ObjectInputStream.java:299)
> at
> com.example.inceptiontest.TestSerializer.deserializeLogEvent(TestSerializer.java:35)
> at
> com.example.inceptiontest.TestSerializer.serialize(TestSerializer.java:18)
> at
> com.example.inceptiontest.TestSerializer.serialize(TestSerializer.java:10)
> at
> org.apache.kafka.clients.producer.KafkaProducer.send(KafkaProducer.java:326)
> at
> org.apache.kafka.clients.producer.KafkaProducer.send(KafkaProducer.java:248)
> at
> org.apache.logging.log4j.core.appender.mom.kafka.KafkaManager.send(KafkaManager.java:80)
> at
> org.apache.logging.log4j.core.appender.mom.kafka.KafkaAppender.append(KafkaAppender.java:71)
> at
> org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:148)
> at
> org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:121)
> at
> org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:112)
> at
> org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:80)
> at
> org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:390)
> at
> org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:378)
> at
> org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:362)
> at
> org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:352)
> at
> org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:59)
> at org.apache.logging.log4j.core.Logger.logMessage(Logger.java:138)
> at
> org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:1016)
> at
> org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:993)
> at
> org.apache.logging.log4j.spi.AbstractLogger.error(AbstractLogger.java:397)
> at com.example.inceptiontest.InceptionTest.main(InceptionTest.java:14)
> Looking through past issues, this seems related to a similar issue with
> SocketAppender at https://issues.apache.org/jira/browse/LOG4J2-181. My
> understanding in the previous case was that the headers were not being set by
> the manager, and it seems to be the same case here.
> This is my xml configuration:
> <?xml version="1.0" encoding="UTF-8"?>
> <Configuration status="INFO">
> <Appenders>
> <Console name="Console" target="SYSTEM_OUT">
> <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level
> %logger{36} - %msg%n" />
> </Console>
> <Kafka name="Kafka" topic="test">
> <SerializedLayout/>
> <Property name="bootstrap.servers">localhost:9092</Property>
> <Property
> name="key.serializer">com.example.inceptiontest.TestSerializer</Property>
> <Property
> name="value.serializer">com.example.inceptiontest.TestSerializer</Property>
> </Kafka>
> </Appenders>
> <Loggers>
> <Root level="debug">
> <AppenderRef ref="Console" />
> <AppenderRef ref="Kafka"/>
> </Root>
> <Logger name="org.apache.kafka" level="INFO" /> <!-- avoid recursive
> logging -->
> </Loggers>
> </Configuration>
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